EP0998373B1 - Spannwerkzeug, insbesondere spannzwinge, spannstock oder spanntisch - Google Patents
Spannwerkzeug, insbesondere spannzwinge, spannstock oder spanntisch Download PDFInfo
- Publication number
- EP0998373B1 EP0998373B1 EP98940087A EP98940087A EP0998373B1 EP 0998373 B1 EP0998373 B1 EP 0998373B1 EP 98940087 A EP98940087 A EP 98940087A EP 98940087 A EP98940087 A EP 98940087A EP 0998373 B1 EP0998373 B1 EP 0998373B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping
- handle
- release lever
- push
- pull rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/06—Arrangements for positively actuating jaws
- B25B5/068—Arrangements for positively actuating jaws with at least one jaw sliding along a bar
Definitions
- the invention relates to a clamping tool according to the generic term of claim 1.
- a generic clamping tool in the form of a clamp is from German patent application DE 39 17 473 known.
- This known clamp has one movable jaw, which at the end of a push rod sits. This jaw passes through a housing, which carries a second, fixed jaw. From the case protrudes a handle.
- a handle By means of a handle that is pivotally arranged on the housing, and which on the Handle can be moved, the push rod be shifted so that the movable jaw is gradually moved towards the fixed jaw.
- the known clamp On the handling side in the direction of the two clamping jaws the known clamp has a released one Non-return lock in the form of a clamping lever. This should prevent the movable jaw from moving in the opposite direction can be relocated.
- the clamp is used, for example, such that the jaw plane is and should be horizontal the clamp is placed from above, so that protrudes free push rod end in a disturbing way up the room.
- This clamp allows use a variety of clamping cases. In particular, and in particular in the aforementioned clamping cases safe release of the jaws is not guaranteed. It there is also only a short actuation path for the Clamp levers available.
- Another clamp is from GB 21 78 689.
- the Manageability of this clamp is similar to that of the utility model 87 03 379.8.
- the invention has for its object a generic To further develop the clamp in such a way that in all Clamping a safe release of the tension possible and that it is more useful when clamping is applicable.
- the release lever lies at a distance from the clamping zone but at the same time at a defined distance from the release lever facing side of the workpiece.
- Tension cases in which the release lever facing surface of the workpiece up to the push rod out on the handle side or actuator side Extending side of the push rod is a safe actuation of the release lever possible.
- an aligned arrangement of the back of the handle to the clamping surface of the fixed jaw can this Certain clamping processes even support the workpiece Perform function. Between the back and the fixed jaw is a recessed Slot from which the push rod protrudes.
- the backstop can preferably be developed in this way be that the first jaw by lever operation gradually shifted back to the second jaw becomes.
- the non-return lock from one with the pull or push rod jamming or latching slide causes.
- This Slider can be released against the force of a return spring be shifted over the pull or push rod. Becomes the actuation of the release lever ended, so shifted the slide moves into a jammed or locked position and will take the pull or push rod moved back from the return spring.
- the return spring preferably attacks on the slide on one side and generated in the absence of counter tension or counter bearing the opposite side is tilted.
- the release lever with one arm on the attack side of the return spring presses on the slide can activate cancel the blocking effect.
- the release lever can continue to train a stop for the opposite side of the slide, by means of which the opposite side of the slide be pressed against a fixed stop can.
- the release lever is fork-shaped on the effective side educated.
- the push rod it is advantageous if the release lever from one using the handle as a handle Hand is operated.
- the handle is from one hand comprehensible, since there is between the handle and the handle at an angle to it Free space that grips the operating handle allowed. It is then not necessary that the Hand grips the handle to release lever actuation a total of two levers, namely the handle must embrace.
- the clamp has a first jaw 1 and a second jaw 2.
- the first jaw 1 is via detachable connections, e.g. plug connections, Screws or the like with one end 3 'of Pull or push rod 3 firmly connected.
- the jaw 2 has a stepping gear housing which of the Push rod 3 is penetrated.
- the stepper gearbox continues in one Handle part 33.
- Adjacent an arm protrudes from the gear housing 10 a release lever 15, which by means of a Compression spring 34 is cushioned against the housing.
- In the rest arm acts on the active arm 18 of the release lever 15 a stationary stop 35.
- the active arm 18 has a cavity through which the train or Push rod 3 runs.
- Parallel to the arm 18 of the Release lever 15, which is pivotable about the bearing pin 16 is, a locking slide 14, on which its return side 19 engages a return spring 17 and the locking slide 14 against the direction of displacement the pull or push rod 3 is applied.
- the opposite side 20 of the locking slide 14 rests in the rest position against a fixed stop 24.
- the handle 10 has a cavity 13. It is in the Area of the cavity 13 designed U-shaped. In these Hollow engages the second arm 7 of an operating lever 6 a.
- the operating lever 6 has an angular Shape and acted upon with his second arm 6 ', which forms an active arm, an area of application 9 of a slider 5.
- the driving slide 5 has as well as the locking slide 14 an opening through which the train or Push rod 3 protrudes. Just like the corresponding opening of the gate valve 14 has the opening of Driving slider 5 edges to deal with the train or To be able to tilt the push rod 3.
- the driving slide 5 is by means of a compression spring penetrated by the pull or push rod 4, which is supported on the stops 35 pressed against the stops 22, 23 such that the Push rod 3 freely through the opening of the slider 5 can slide.
- the preload of the slider and the associated cant with the narrow edges of the pull or push rod 3 is one Displacement of the push rod 3 only in the direction of the arrow possible.
- the locking slide 14 can just as the driving slide 5 opposite by manipulation in the direction of the arrow be moved to the housing.
- the relocation of the Locking slide 14 takes place by actuating the release lever 15.
- the release lever 15 is in front of the handle 10 that one of his fingers in the free space brought between handle 10 and handle 33, the handle 10 gripping hand can be operated.
- a release is also possible if a workpiece extends over the push rod 3 and immediately before the flight to the fixed jaw 2 lying handle 33 lies. Especially when the workpiece then comes into contact with the handle 33 is possible if the clamping clamp in the position shown in FIG stretching function shown, the handle can no longer be included.
- the stretching function turns out to be fleeting Extension to the fixed jaw 2 protruding edge the handle 33 even as advantageous, as this as can serve additional contact surface on a workpiece.
- the release lever 15 is roughly diagonally opposite to the fixed jaw 2 on the housing. It acts in this way on the locking slide 14, that the application of the locking slide 14 with the Arm 18 of the release lever 15 canceled the tilt position and the locking slide 14 freely over the pull or push rod 3 can slide.
- the arm reaches for this 18 on the attack side 19 of the gate valve 14, on which side the return spring 17 acts.
- the return spring 17 By moving the locking slide 14 in the direction of The return spring 17 is tensioned arrow. Will the Release lever 15 released, the return spring pulls on the attack side 19 against the locking slide 14 Arrow direction.
- This one-sided load on the release lever 15 causes a tilt 25, 26 to the opposite opening sides of the gate valve 14.
- the locking slide jams 14 on the pull or push rod 3, so that the push rod 3 against the direction of the arrow from the return spring 17 is taken along so that the two jaws 1, 2nd be moved apart.
- FIG. 8 works in an identical manner to that in FIGS. 1 to 7 Exemplified embodiment shown, only the housing shape is designed differently and the return spring 17th is somewhat shortened.
- the bearing pin 16 pivotable release lever 15 fork-shaped and forms an extension 21 which has a stop trains to the opposite side 20 of the gate valve 14 to press against the fixed stop 24.
- the back of handle 33 goes into a recessed section over from which the push rod 3 protrudes.
- the embodiment shown is that of the push rod 3 adjacent recessed section lower to Release lever 15 spaced as the back of the handle 33.
- the gearbox described above can not only on one One-handed clamps find application, but on everyone Kind of vice and especially on a clamping table.
- a clamping table When used on a clamping table, that the jaws on two parallel to each other Spars lying across, in parallel are led to the spars and each spar is a prescribed one Has tension gear.
- the operation can take place in particular via a foot pedal.
- the embodiment shown in Fig. 9 draws is characterized by an attractively designed housing shape.
- the pivot points of release lever 15 are also located here and handle 10 on the opposite side of the Jaws 1, 2 and on the same side as the one from lever 10, 15 protruding from the housing protrude handle 33, handle 10 and release lever 15 separate and free from the housing.
- the release lever is diagonally opposite for the fixed jaw.
- This variant also allows assembly the movable jaw 1 on the opposite Side 3 '' of the push rod 3. In this position can form the handle that protrudes from the housing Arm 33 in combination with the fixed jaw 2 a support perform function.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Jigs For Machine Tools (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Sawing (AREA)
Description
- Fig. 1
- ein erfindungsgemäßes Spannwerkzeug in der Ausgestaltung einer Spannzwinge in einer er sten, unverspannten Stellung;
- Fig. 2
- eine Folgedarstellung der Fig. 1 bei betätigter Griffhandhabe im ungespannten Zustand;
- Fig. 3
- eine Darstellung bei teilbetätigter Handhabenbetätigung, wobei die beiden Spannbacken unter Einspannung eines Werkstückes auf Block zusammengefahren sind;
- Fig. 4
- eine Folgedarstellung zu Fig. 3, bei weiterbetätigter Griffhandhabe und verkürztem Griffarm;
- Fig. 5
- eine Folgedarstellung der Fig. 4, wobei im verspannten Zustand die Rückdrücksperre freigegeben ist;
- Fig. 6
- eine Folgedarstellung von Fig. 5, wobei die Spannbacken durch Betätigung der Rückdrücksperre in freigaberichtung auseinanderfahren;
- Fig. 7
- eine Montagevariante bei der das Spannwerkzeug als Spreizzwinge ausgebildet ist;
- Fig. 8
- ein zweites Ausführungsbeispiel der Erfindung; und
- Fig. 9
- ein drittes Ausführungsbeispiel der Erfindung.
Claims (8)
- Spannwerkzeug, insbesondere Spannzwinge, mit einer Spannzone zwischen einer beweglichen, am Ende einer Zug-/Schubstange (3) sitzenden ersten Spannbacke (1) und einer festen, an einem Gehäuse sitzenden zweiten Spannbacke (2), mit einer in Bezug auf die Zugstangenlängserstreckung der festen Spannbacke (2) gegenüberliegend und neben einem gehäuseseitigen Handgriff (33) angeordneten, schwenkbaren Handhabe (10) durch deren Verlagerung gegen den Handgriff (33) die Zugstange (3) und die an deren Ende sitzende bewegliche erste Spannbacke (1) schrittweise derart durch eine Rückdrücksperre mit einem auf der dem Handgriff (33) abgewandten Seite der Handhabe (10) angeordneten Sperrelement rückdrückgesperrt in Richtung auf das Gehäuse verlagerbar ist, daß die bewegliche erste Spannbacke (1) auf die feste zweite Spannbacke (2) zu bewegt wird, wobei die Rückdrücksperre durch Verschwenken des Sperrelementes in Verlagerungsrichtung der Zugstange (3) aufhebbar ist, dadurch gekennzeichnet, daß sowohl die Handhabe (10), als auch ein durch Verschwenken gegen den Handgriff (33) die Rückdrücksperre aufhebender Freigabehebel (15) auf der der Spannzone abgewandten Seite des Handgriffes (33) liegen.
- Spannwerkzeug nach Anspruch 1, dadurch gekennzeichnet, daß der Freigabehebel (15) an dem der Festbacke (2) diagonal gegenüberliegenden Ende des Gehäuses sitzt.
- Spannwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Rücken des Griffes (33) etwa in fluchtender Gegenüberlage zur festen Spannbacke (2) am Gehäuse sitzt.
- Spannwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die erste Spannbacke (1) wahlweise an einem der beiden Enden (3', 3'') der Zug- oder Schubstange befestigbar ist.
- Spannwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Rückdrücksperre einen mit der Zug- oder Schubstange verklemm- oder verrastbaren Schieber (14) umfaßt, welcher von dem Freigabehebel (15) gegen die Kraft einer Rückstellfeder (17) frei über die Zug- oder Schubstange (3) verlagerbar ist und in einer Verklemm- oder Verraststellung unter Mitnahme der Zug- oder Schubstange (3) von der Rückstellfeder (17) rückverlagert wird.
- Spannwerkzeug nach Anspruch 5, dadurch gekennzeichnet, daß die Rückstellfeder (17) einseitig am Schieber (14) angreift und den Schieber (14) bei unbetätigtem Freigabehebel (15) in der Sperrstellung hält.
- Spannwerkzeug nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, daß der Freigabehebel (15) mit einem Arm (18) an der Angriffsseite (19) der Rückstellfeder (17) angreift und bei Betätigung die Sperrwirkung aufhebt.
- Spannwerkzeug nach einem der Ansprüche 5-7, dadurch gekennzeichnet, daß der Sperrschieber (14) eine mit Kanten 25, 26 versehene Öffnung aufweist, durch welche die Schubstange (3) ragt und in seiner Sperrstellung mit den Schmalseiten der Zug- oder Schubstange (3) verkantet.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99125705A EP0997233B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
EP99125704A EP0997232B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19731579A DE19731579A1 (de) | 1997-07-23 | 1997-07-23 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
DE19731579 | 1997-07-23 | ||
PCT/EP1998/003915 WO1999004932A1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere spannzwinge, spannstock oder spanntisch |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99125705A Division EP0997233B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
EP99125704A Division EP0997232B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0998373A1 EP0998373A1 (de) | 2000-05-10 |
EP0998373B1 true EP0998373B1 (de) | 2000-12-27 |
Family
ID=7836595
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99125705A Revoked EP0997233B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
EP98940087A Expired - Lifetime EP0998373B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere spannzwinge, spannstock oder spanntisch |
EP99125704A Expired - Lifetime EP0997232B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99125705A Revoked EP0997233B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99125704A Expired - Lifetime EP0997232B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
Country Status (7)
Country | Link |
---|---|
US (1) | US6578837B1 (de) |
EP (3) | EP0997233B1 (de) |
CN (3) | CN100450719C (de) |
AU (1) | AU8853298A (de) |
CA (2) | CA2586001C (de) |
DE (6) | DE19731579A1 (de) |
WO (1) | WO1999004932A1 (de) |
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US4563921A (en) * | 1985-03-05 | 1986-01-14 | John Wallace | Compact pliers with large, adjustable jaw span |
GB2178689B (en) * | 1985-06-04 | 1989-07-05 | David John Richmond | Clamps |
DE8703379U1 (de) * | 1987-03-06 | 1987-07-23 | Löw, Johann, 8261 Emmerting | Spannzwinge |
DE3917473C2 (de) * | 1988-08-09 | 1994-10-13 | Petersen Mfg | Schnellspann-Zwinge |
US5170682A (en) * | 1988-08-19 | 1992-12-15 | Petersen Manufacturing Co., Inc. | Quick action bar clamp |
US4893801A (en) * | 1988-12-16 | 1990-01-16 | Flinn Robert W | Clamp |
US4989847A (en) * | 1989-09-12 | 1991-02-05 | Grant Chapman | Clamping device |
GB2273073B (en) * | 1990-02-15 | 1994-08-31 | Petersen Mfg | Quick action bar clamp |
US5197635A (en) * | 1990-11-16 | 1993-03-30 | Chang Peter J Y | Variable thrust caulk dispensing device |
US5161787A (en) * | 1991-11-08 | 1992-11-10 | Hobday Harold W | Clamping device |
US5197360A (en) * | 1992-02-28 | 1993-03-30 | Adjustable Clamp Co. | Adjustable clamp |
DE19512402A1 (de) * | 1995-04-03 | 1996-10-10 | Hilti Ag | Manuelles Auspressgerät für pastöse Massen |
DE29603811U1 (de) * | 1996-03-01 | 1996-04-18 | Drake, Johannes, 33106 Paderborn | Spannzwinge zur Einhandbedienung |
DE29605900U1 (de) * | 1996-03-29 | 1996-09-12 | Lii, Liang-Kuen, Ho Mei, Changhua | C-Schnellklemmvorrichtung |
AU1790897A (en) * | 1997-02-17 | 1998-09-08 | Bessey & Sohn Gmbh & Co. | Gripping device |
DE29821110U1 (de) * | 1998-11-25 | 2000-04-06 | Wolfcraft GmbH, 56746 Kempenich | Einhändig betätigbare Spannzwinge |
US6386530B1 (en) * | 2000-08-10 | 2002-05-14 | Worktools, Inc. | Quick action clamp |
US6382608B1 (en) * | 2000-10-31 | 2002-05-07 | Steven W. Michell | Adjustable clamping and spreading bar clamp or bench vice |
-
1997
- 1997-07-23 DE DE19731579A patent/DE19731579A1/de not_active Withdrawn
-
1998
- 1998-06-26 EP EP99125705A patent/EP0997233B1/de not_active Revoked
- 1998-06-26 DE DE59806061T patent/DE59806061D1/de not_active Expired - Lifetime
- 1998-06-26 CA CA002586001A patent/CA2586001C/en not_active Expired - Lifetime
- 1998-06-26 CN CNB021221588A patent/CN100450719C/zh not_active Expired - Lifetime
- 1998-06-26 EP EP98940087A patent/EP0998373B1/de not_active Expired - Lifetime
- 1998-06-26 CA CA002304718A patent/CA2304718C/en not_active Expired - Lifetime
- 1998-06-26 US US09/463,478 patent/US6578837B1/en not_active Expired - Lifetime
- 1998-06-26 WO PCT/EP1998/003915 patent/WO1999004932A1/de active Application Filing
- 1998-06-26 DE DE59806876T patent/DE59806876D1/de not_active Revoked
- 1998-06-26 DE DE19880089T patent/DE19880089B4/de not_active Expired - Lifetime
- 1998-06-26 AU AU88532/98A patent/AU8853298A/en not_active Abandoned
- 1998-06-26 EP EP99125704A patent/EP0997232B1/de not_active Expired - Lifetime
- 1998-06-26 DE DE59800409T patent/DE59800409D1/de not_active Expired - Lifetime
- 1998-06-26 CN CNB200610100634XA patent/CN100528490C/zh not_active Expired - Lifetime
- 1998-06-26 DE DE19861130A patent/DE19861130A1/de not_active Withdrawn
- 1998-06-26 CN CNB988075385A patent/CN1136078C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0997233A2 (de) | 2000-05-03 |
CN1899768A (zh) | 2007-01-24 |
US6578837B1 (en) | 2003-06-17 |
CN1389328A (zh) | 2003-01-08 |
AU8853298A (en) | 1999-02-16 |
DE19731579A1 (de) | 1999-01-28 |
DE59800409D1 (de) | 2001-02-01 |
DE59806061D1 (de) | 2002-11-28 |
DE19880089B4 (de) | 2007-04-19 |
EP0997232A3 (de) | 2000-11-22 |
EP0997233B1 (de) | 2003-01-08 |
WO1999004932A1 (de) | 1999-02-04 |
CN1265056A (zh) | 2000-08-30 |
CN100450719C (zh) | 2009-01-14 |
CN100528490C (zh) | 2009-08-19 |
CA2586001A1 (en) | 1999-02-04 |
EP0997232B1 (de) | 2002-10-23 |
DE59806876D1 (de) | 2003-02-13 |
EP0997232A2 (de) | 2000-05-03 |
CA2304718C (en) | 2009-03-31 |
DE19880089D2 (de) | 1999-11-11 |
CA2586001C (en) | 2009-11-17 |
EP0997233A3 (de) | 2000-11-22 |
EP0998373A1 (de) | 2000-05-10 |
DE19861130A1 (de) | 2000-04-06 |
CA2304718A1 (en) | 1999-02-04 |
CN1136078C (zh) | 2004-01-28 |
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